Alley Bump, Product Type Speed Bump, Height 2 1/8 in, Length 72 in, Installation Method Bolts on Concrete, Spikes on Asphalt, Installation Type Permanent, Width 12 in, Color Black/Yellow, Installation Surface Asphalt, Concrete, Material Rubber, Number of Cable Channels 2, Number of Installation Holes 4, Traffic Speed Rating 1 to 5 mph, Cable Channel Height (2) 2 in, Cable Channel Width (2) 1 1/4 in, Includes Cable Channel Yes, Includes Installation Hardware No, Maximum Weight Capacity 40,000 lb